darkcomet | 395d11ff030f19f9d099d28f23e0388639ff780f004cbcc7bbe88f6249ff4450

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02/01/2025, 12:03

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General

Target

JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
Size

952KB
MD5

64f32d3a953b98f7dff92e37f8771fa0
SHA1

d27fe392cb3ff9fa25a5b98816efa6854d24492f
SHA256

395d11ff030f19f9d099d28f23e0388639ff780f004cbcc7bbe88f6249ff4450
SHA512

491629a3ce38b3bc7700c7efca4f50c6db8455619e7f4b25edbc885f731978fd22465bc70047411b03c661ed970dbeca379ce776a0cfb8b3e89b322c2e3cd410
SSDEEP

12288:byyy7Z3z4I8NXOGjwwG/ZjXsAHHz79p9NM5Tz103j2CF4TxQUOfhVPOSAE//VAci:baCI2OewFJN4mkxyHnnew1SatLRzD

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Executes dropped EXE 3 IoCs

pid	Process
3552	micoffice.exe
1556	micoffice.exe
1608	micoffice.exe

Loads dropped DLL 7 IoCs

pid	Process
3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3552	micoffice.exe
3552	micoffice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\msoffice = "C:\\Users\\Admin\\AppData\\Roaming\\MicrosoftOffice\\micoffice.exe"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1484 set thread context of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 3552 set thread context of 1556	3552	micoffice.exe	36
PID 3552 set thread context of 1608	3552	micoffice.exe	37

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/3320-443-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1556-1023-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/3320-1035-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1556-1043-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	micoffice.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1608	micoffice.exe
Token: SeSecurityPrivilege	1608	micoffice.exe
Token: SeTakeOwnershipPrivilege	1608	micoffice.exe
Token: SeLoadDriverPrivilege	1608	micoffice.exe
Token: SeSystemProfilePrivilege	1608	micoffice.exe
Token: SeSystemtimePrivilege	1608	micoffice.exe
Token: SeProfSingleProcessPrivilege	1608	micoffice.exe
Token: SeIncBasePriorityPrivilege	1608	micoffice.exe
Token: SeCreatePagefilePrivilege	1608	micoffice.exe
Token: SeBackupPrivilege	1608	micoffice.exe
Token: SeRestorePrivilege	1608	micoffice.exe
Token: SeShutdownPrivilege	1608	micoffice.exe
Token: SeDebugPrivilege	1608	micoffice.exe
Token: SeSystemEnvironmentPrivilege	1608	micoffice.exe
Token: SeChangeNotifyPrivilege	1608	micoffice.exe
Token: SeRemoteShutdownPrivilege	1608	micoffice.exe
Token: SeUndockPrivilege	1608	micoffice.exe
Token: SeManageVolumePrivilege	1608	micoffice.exe
Token: SeImpersonatePrivilege	1608	micoffice.exe
Token: SeCreateGlobalPrivilege	1608	micoffice.exe
Token: 33	1608	micoffice.exe
Token: 34	1608	micoffice.exe
Token: 35	1608	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe
Token: SeDebugPrivilege	1556	micoffice.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
3552	micoffice.exe
1556	micoffice.exe
1608	micoffice.exe

Suspicious use of WriteProcessMemory 41 IoCs

description	pid	Process	procid_target
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 1484 wrote to memory of 3320	1484	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	31
PID 3320 wrote to memory of 3476	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	32
PID 3320 wrote to memory of 3476	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	32
PID 3320 wrote to memory of 3476	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	32
PID 3320 wrote to memory of 3476	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	32
PID 3476 wrote to memory of 3528	3476	cmd.exe	34
PID 3476 wrote to memory of 3528	3476	cmd.exe	34
PID 3476 wrote to memory of 3528	3476	cmd.exe	34
PID 3476 wrote to memory of 3528	3476	cmd.exe	34
PID 3320 wrote to memory of 3552	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	35
PID 3320 wrote to memory of 3552	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	35
PID 3320 wrote to memory of 3552	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	35
PID 3320 wrote to memory of 3552	3320	JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe	35
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1556	3552	micoffice.exe	36
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37
PID 3552 wrote to memory of 1608	3552	micoffice.exe	37

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1484
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64f32d3a953b98f7dff92e37f8771fa0.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3320
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\HGUBK.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3476
  - - C:\Windows\SysWOW64\reg.exe
      REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "msoffice" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe" /f
      4⤵
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      PID:3528
- - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
    "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3552
  - - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
      "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1556
  - - C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe
      "C:\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:1608

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\HGUBK.bat

Filesize
155B

MD5
f07b93136766adced3c6f0d74d869da0

SHA1
787c530f33687d758b41295e01d7a9a1bba3a467

SHA256
cd603067047c028fe12d4b099d13b3681dd698d25bc32474184e9d8edd3ed701

SHA512
050105a5f14939a37f653421b24959cc90cb082b20df5bb1a81335fd0ad5e70c740b43f1d6df0fc7324551425894668acc3af0c533c7d90ff149d84e844c2d10

Download Submit
\Users\Admin\AppData\Roaming\MicrosoftOffice\micoffice.exe

Filesize
952KB

MD5
a6956a120ace8810bea2693d3c969f7e

SHA1
d26937958fe4734894e6fc56d73a54fa9a37b401

SHA256
690279fdc9c92bdb3db673bcc10c488d37a59910a1cd215ca064bb43c8a3af2b

SHA512
38bad6f28547adf3f8d0eb74e580381c65cf7cf6a02d375f6179de7cd6f0f9adf37b769c04320f96a6f8067f3a71293f92b854000235c38fe97ba441ab4844b2

Download Submit
memory/1484-28-0x0000000002D10000-0x0000000002D11000-memory.dmp

Filesize
4KB

Download
memory/1484-26-0x0000000002D10000-0x0000000002D11000-memory.dmp

Filesize
4KB

Download
memory/1484-144-0x0000000002900000-0x0000000002901000-memory.dmp

Filesize
4KB

Download
memory/1484-136-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download
memory/1484-122-0x0000000003470000-0x0000000003471000-memory.dmp

Filesize
4KB

Download
memory/1484-104-0x0000000003090000-0x0000000003091000-memory.dmp

Filesize
4KB

Download
memory/1484-90-0x0000000001EB0000-0x0000000001EB1000-memory.dmp

Filesize
4KB

Download
memory/1484-80-0x0000000002EB0000-0x0000000002EB1000-memory.dmp

Filesize
4KB

Download
memory/1484-72-0x0000000001EF0000-0x0000000001EF1000-memory.dmp

Filesize
4KB

Download
memory/1484-62-0x0000000001D60000-0x0000000001D61000-memory.dmp

Filesize
4KB

Download
memory/1484-24-0x0000000002B00000-0x0000000002B01000-memory.dmp

Filesize
4KB

Download
memory/1484-44-0x0000000000330000-0x0000000000331000-memory.dmp

Filesize
4KB

Download
memory/1484-36-0x0000000001DB0000-0x0000000001DB1000-memory.dmp

Filesize
4KB

Download
memory/1484-34-0x0000000001DB0000-0x0000000001DB1000-memory.dmp

Filesize
4KB

Download
memory/1484-32-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/1484-30-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/1484-150-0x0000000002AC0000-0x0000000002AC1000-memory.dmp

Filesize
4KB

Download
memory/1484-112-0x0000000003280000-0x0000000003281000-memory.dmp

Filesize
4KB

Download
memory/1484-52-0x0000000001D90000-0x0000000001D91000-memory.dmp

Filesize
4KB

Download
memory/1484-22-0x0000000002B00000-0x0000000002B01000-memory.dmp

Filesize
4KB

Download
memory/1484-20-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/1484-18-0x0000000002940000-0x0000000002941000-memory.dmp

Filesize
4KB

Download
memory/1484-14-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1484-12-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/1484-8-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/1484-6-0x0000000002B40000-0x0000000002B41000-memory.dmp

Filesize
4KB

Download
memory/1484-4-0x0000000002960000-0x0000000002961000-memory.dmp

Filesize
4KB

Download
memory/1484-2-0x0000000002960000-0x0000000002961000-memory.dmp

Filesize
4KB

Download
memory/1484-428-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download
memory/1484-157-0x00000000028E0000-0x00000000028E1000-memory.dmp

Filesize
4KB

Download
memory/1556-1023-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1556-1043-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3320-443-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3320-1035-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads